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/*
* This file is part of XForms.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file fd_names.c
*
* This file is part of XForms package
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*
* This file is part of the Form Designer.
*
* It contains the routines that keep track of the names and
* callback routines associated to the different objects.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <stdio.h>
#include "fd_main.h"
/****
* Structure for storing names connected with an object
****/
typedef struct
{
FL_OBJECT * obj; /* The object */
char name[ MAX_VAR_LEN ]; /* Its name (if any) */
char cbname[ MAX_VAR_LEN ]; /* Callback Routine */
char argname[ MAX_VAR_LEN ]; /* The argument */
} OBJ;
static OBJ * objects = NULL; /* The stored objects */
static int num_objects = 0; /* Their number */
/***************************************
* Deletes the list of object name structures
***************************************/
void
reset_object_list( void )
{
fli_safe_free( objects );
num_objects = 0;
}
/***************************************
* Returns the index of the object in the list (or -1 if it's not found)
***************************************/
static int
get_object_numb( const FL_OBJECT * obj )
{
int i;
for ( i = 0; i < num_objects; i++ )
if ( objects[ i ].obj == obj )
return i;
return -1;
}
/***************************************
***************************************/
static void
check_names( int on )
{
/* Fill in argument if missing */
if ( *objects[ on ].cbname && ! *objects[ on ].argname)
strcpy( objects[ on ].argname, "0" );
}
/***************************************
* Returns the names associated with an object
***************************************/
void
get_object_name( const FL_OBJECT * obj,
char * name,
char * cbname,
char * argname)
{
int on = get_object_numb( obj );
if ( name )
strcpy( name, on == -1 ? "" : objects[ on ].name );
if ( cbname )
strcpy( cbname, on == -1 ? "" : objects[ on ].cbname );
if ( argname )
strcpy( argname, on == -1 ? "" : objects[ on ].argname );
}
/***************************************
* Sets the names belonging to an object
***************************************/
void
set_object_name( FL_OBJECT * obj,
const char * name,
const char * cbname,
const char * argname )
{
int on;
if ( obj == NULL )
return;
if ( ( on = get_object_numb( obj ) ) == -1 )
{
if ( ( ! name || ! *name )
&& ( ! cbname || ! *cbname )
&& ( ! argname || ! *argname ) )
return;
objects = fl_realloc( objects, ++num_objects * sizeof *objects );
on = num_objects - 1;
objects[ on ].obj = obj;
*objects[ on ].name = *objects[ on ].cbname
= *objects[ on ].argname = '\0';
}
if ( name )
fli_sstrcpy( objects[ on ].name, name,
sizeof objects[ on ].name );
if ( cbname)
fli_sstrcpy( objects[ on ].cbname, cbname,
sizeof objects[ on ].cbname );
if ( argname )
fli_sstrcpy( objects[ on ].argname, argname,
sizeof objects[ on ].argname );
check_names( on );
}
/***************************************
***************************************/
const char *
get_object_c_name( FL_OBJECT * obj )
{
int on = get_object_numb( obj );
return on == -1 ? NULL : objects[ on ].name;
}
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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